Magnetic bearings
Abstract
Abstract A MAGNETIC BEARING SUCH AS FOR A SATELLITE COMPRISES TWO RELATIVELY ROTATABLE MEMBERS, ONE OF WHICH IS AT LEAST PARTLY CONSTITUTED OF A MAGNETIC MATERIAL WHILE THE OTHER IS PROVIDED WITH AT LEAST ONE PAIR OF ELECTROMAGNETS. THE ELECTROMAGNETS IN EACH PAIR ARE ARRANGED TO ACT IN OPPOSITION ON THE MAGNETIC MATERIAL AND ARE CONNECTED TO A RESPECTIVE PAIR OF DETECTING DEVICES FOR DETECTING THE RELATIVE POSITIONS OF THE TWO MEMBERS OF THE BEARING, THE DETECTING DEVICES BEING CONNECTED IN OPPOSITION AND BEING ARRANGED TO CONTROL THE ELECTROMAGNETS SO THAT ANY RELATIVE DISPLACEMENT IN ONE DIRECTION OR THE OTHER BETWEEN THE TWO MEMBERS OF THE BEARING IS NULLIFIED BY THE COMBINED ACTION OF THE ELECTROMAGNETS.
Inventors
- 👤 Helmut Habermann
- 👤 Loyen Roger
- 👤 Pierre Joly
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |